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Universal Plasma Jet for Droplet Manipulation on a PDMS Surface towards Wall-Less Scaffolds

Cheng-Yun Peng, Chia-Hung Dylan Tsai
2021 Polymers  
Here we proposed a novel method that can directly generate and manipulate droplets on a polymeric surface using a universal plasma jet.  ...  Tests of generating and mixing two droplets on a PDMS surface are successfully achieved. The aging effect of plasma treatment for the proposed method is also discussed.  ...  Conclusions A novel method for manipulating droplet on a PDMS surface with a universal plasma jet is proposed and tested in this work.  ... 
doi:10.3390/polym13081321 pmid:33920710 pmcid:PMC8073805 fatcat:fubjz7m4wzh3zdkigz3xyy7j3q

State of the art in nonthermal plasma processing for biomedical applications: Can it help fight viral pandemics like COVID‐19?

Nilanjal Misra, Sudhir Bhatt, Farzaneh A. Khonsari, Virendra Kumar
2021 Plasma Processes and Polymers  
, surface etching, plasma immersion ion implantation, crosslinking, and plasma decontamination to provide timely solutions in the form of better antiviral alternatives, practical diagnostic tools, and  ...  Plasma processing finds widespread biomedical applications, such as the design of biosensors, antibiofouling surfaces, controlled drug delivery systems, and in plasma sterilizers.  ...  [84] Plasma-polymerized hydrophobic-fluorinated coatings have also been deposited on cotton fabric using a DBD atmospheric plasma setup.  ... 
doi:10.1002/ppap.202000215 pmid:34220401 pmcid:PMC8237024 fatcat:xsw4fstlgvfpxh7lx24bbdnbuy

An equipment-free polydimethylsiloxane microfluidic spotter for fabrication of microarrays

Teng Tang, Gang Li, Chunping Jia, Kunpeng Gao, Jianlong Zhao
2014 Biomicrofluidics  
This paper presents a low-cost, power-free, and easy-to-use spotter system for fabrication of microarrays.  ...  The spotter system uses embedded dispensing microchannels combined with a polydimethylsiloxane (PDMS) membrane containing regular arrays of well-defined thru-holes to produce precise, uniform DNA or protein  ...  Right: water contact angles of PDMS and PVP-PDMS. 100 lg/ml IgG in 10 mM PBS (phosphate buffer solution) was used to test the effect of PVP modification.  ... 
doi:10.1063/1.4871935 pmid:24803969 pmcid:PMC4000390 fatcat:qxrflh6n4nem3ewcygu4vqawoe

Recent Progresses of Superhydrophobic Coatings in Different Application Fields: An Overview

Yuxing Bai, Haiping Zhang, Yuanyuan Shao, Hui Zhang, Jesse Zhu
2021 Coatings  
This review serves as a good reference source and provides insight into the design and optimization of superhydrophobic coatings for different applications.  ...  Various superhydrophobic coatings were fabricated by diverse technologies resulting from the fundamental demands of different fields.  ...  PDMS and Sylgard polymers in the coating system were used for surface modification to enhance the hydrophobicity of nano-CaCO3 [49] .  ... 
doi:10.3390/coatings11020116 fatcat:s4myrmyfmnestfcztmgpo3ja3q

The Advances in Wearable Textile-Based Micro Energy Storage Devices: Structuring, Application and Perspective

Yixue Duan, Gongchuan You, Kaien Sun, Zhe Zhu, Xiaoqiao Liao, Linfeng Lv, Hui Tang, Bin Xu, Liang He
2021 Nanoscale Advances  
The continuous expansion of smart microelectronics puts forward higher requirements for energy conversion, mechanical performance, and biocompatibility of micro energy storage devices (MESDs).  ...  Unique porosity, superior flexibility and comfortable breathability...  ...  Acknowledgements This work was supported by the Fundamental Research Funds for the Central Universities (20822041E4045) and the Fund of Science and Technology on Reactor Fuel and Materials Laboratory (  ... 
doi:10.1039/d1na00511a fatcat:pf5mqw5qafbbzjvxsfuogfi4rq

Cellulose through the Lens of Microfluidics: A Review

Aref Abbasi Moud
2022 Applied Biosciences  
This review is intended to provide a concise, visual, yet comprehensive depiction of current research on the topic of cellulose product design and understanding using microfluidics, including, but not  ...  In this review, we looked at the literature to see how cellulose in various shapes and forms has been utilized in conjunction with microfluidic chips, whether as a component of the chips, being processed  ...  Using a hydrophilizing agents such as fluorocarbon plasma polymerization, the paper first becomes hydrophobic, and then oxygen plasma etching is used to form hydrophilic patterns onto the paper [183]  ... 
doi:10.3390/applbiosci1010001 fatcat:ghdlat5lmvgcre7b5loxmljaoi

Microfluidic devices for cell based high throughput screening

Sarvesh Upadhyaya, P. Ravi Selvaganapathy
2010 Lab on a Chip  
By diffusion drugs reach to the top surface of gel where cells are to be grown. Based on this principle, a number of different devices are fabricated using microfabrication technology.  ...  Cell based High Throughput Screening (HTS) has become a very important method in pharmaceutical drug discovery and presently carried out using robots and well plates.  ...  SU-8 master mold fabricated using soft lithography PDMS micro channels cast from mold Bonding of nanoporous membrane and PDMS stamping for patterning of microinterface Bonding of top PDMS layer and fabrication  ... 
doi:10.1039/b918291h pmid:20091006 fatcat:dpmr3yoh6vdn3fhzcfcqs5f524

Electrospun nanofibers as sorbent material for solid phase extraction

Samuel Chigome, Godfred Darko, Nelson Torto
2011 The Analyst  
The work described in the thesis seeks to lay a foundation for a better understanding of the use of electrospun nanofibers as a sorbent material.  ...  The values of chromatographic parameters presented in Tables 5.14 and 5.15 show that the Weibull five parameter model was more accurate than the Boltzmann model on the basis of the holdup volumes.  ...  In another modification approach, Yao and co-workers reported the fabrication of quaternary amine functionalised polyurethane (PU) fibers for use as novel antibacterial material.  ... 
doi:10.1039/c1an15228a pmid:21655564 fatcat:6yu3i6y4nfhpniocdcimgcql74

Label-Free Physical Techniques and Methodologies for Proteins Detection in Microfluidic Biosensor Structures

Georgii Konoplev, Darina Agafonova, Liubov Bakhchova, Nikolay Mukhin, Marharyta Kurachkina, Marc-Peter Schmidt, Nikolay Verlov, Alexander Sidorov, Aleksandr Oseev, Oksana Stepanova, Andrey Kozyrev, Alexander Dmitriev (+1 others)
2022 Biomedicines  
novel solutions.  ...  There is a growing tendency towards using portable diagnostic biosensor devices for point-of-care (POC) analysis based on microfluidic technology as an alternative to conventional laboratory protein assays  ...  These coatings can be deposited in several ways, with and without plasma assistance and at subatmospheric or atmospheric pressure. Chemical vapor deposition, CVD, is used for this purpose.  ... 
doi:10.3390/biomedicines10020207 pmid:35203416 pmcid:PMC8868674 fatcat:mraqftvnbbdnxojhcnmlab2iky

Flexible Sensors—From Materials to Applications

Júlio C. Costa, Filippo Spina, Pasindu Lugoda, Leonardo Garcia-Garcia, Daniel Roggen, Niko Münzenrieder
2019 Technologies  
Flexible sensors have the potential to be seamlessly applied to soft and irregularly shaped surfaces such as the human skin or textile fabrics.  ...  This review outlines the current state of flexible sensor technologies and the impact of material developments on this field.  ...  A flexible thermocouple printed on a paper achieved a Seebeck coefficient of ≈20 µV/ • C [145] . This sensor was fabricated using an ink-jet printer and two conductive inks (PEDOT:PSS and AgNP).  ... 
doi:10.3390/technologies7020035 fatcat:p5znlbmebnefbj7jta3tk7sfwu

Diamond and diamond-like carbon MEMS

J K Luo, Y Q Fu, H R Le, J A Williams, S M Spearing, W I Milne
2007 Journal of Micromechanics and Microengineering  
Thin diamond and DLC layers have been used as coatings mainly to improve the wear and friction of micro-components and to reduce stiction between microstructures and their substrates.  ...  Diamond and diamond-like carbon (DLC) thin films possess a number of unique and attractive material properties that are unattainable from Si and other materials.  ...  A diamond chip can be used as a carrier for heat dissipation of high power electronics devices.  ... 
doi:10.1088/0960-1317/17/7/s12 fatcat:cta6kcsawbcpli2frghhtpx34e

From Triboelectric Nanogenerator to Polymer-Based Biosensor: A Review

Yin Lu, Yajun Mi, Tong Wu, Xia Cao, Ning Wang
2022 Biosensors  
Finally, we conclude the review with a discussion of the challenges and problems of leveraging TENG−based intelligent biosensors.  ...  The functions of TENGs as power sources for third-party biosensors are also discussed, and their applications in a number of related fields are concisely illustrated.  ...  A dry-jet wet-spun PVDF fiber was used to provide the mechanical strength to allow the sewing machine to stitch them into various programmable textile patterns on different fabric substrates, promoting  ... 
doi:10.3390/bios12050323 pmid:35624624 pmcid:PMC9138307 fatcat:wwbehrpgorg57pmp22v4w3cgge

Inkjet printing in manufacturing of stretchable interconnects

Toni Liimatta, Eerik Halonen, Hannu Sillanpaa, Juha Niittynen, Matti Mantysalo
2014 2014 IEEE 64th Electronic Components and Technology Conference (ECTC)  
This thesis describes optimizing process of manufacturing process parameters and development of strain testing system to analyze manufactured structures.  ...  Advantages of inkjet technology like contactless deposition, low process temperatures and low use of chemicals are very beneficial when stretchable substrate materials are considered.  ...  Impression cylinder is used to control the pressure between substrate and printing plate.  ... 
doi:10.1109/ectc.2014.6897281 fatcat:2drb6oc4ofhfhk65w24otsgpfe

Controlled growth and modification of vertically-aligned carbon nanotubes for multifunctional applications

Hao Chen, Ajit Roy, Jong-Beom Baek, Lin Zhu, Jia Qu, Liming Dai
2010 Materials science & engineering. R, Reports  
[57] reported the formation of VA-MWNT arrays by pyrolysis of a jet solution of ferrocene and benzene in an argon atmosphere at relatively low temperatures (e.g. 850 8C).  ...  [189] have developed a novel approach for chemical modification of VA-CNTs by carrying out RFGD plasma treatment, and subsequent reactions characteristic of the plasmainduced surface groups.  ... 
doi:10.1016/j.mser.2010.06.003 fatcat:rs7uh5sjbjgjldbnc7waouug44

Advances in ultrasensitive mass spectrometry of organic molecules

Mathivathani Kandiah, Pawel L. Urban
2013 Chemical Society Reviews  
Although there are a number of technical obstacles associated with the analysis of samples by mass spectrometry at ultratrace level (for example analyte losses during sample preparation, insufficient sensitivity  ...  Femto-and attomole level limits of detection are nowadays common, while zepto-and yoctomole level limits of detection have also been reported.  ...  M.K. acknowledges the support of the Center of Interdisciplinary Science at the NCTU. P.L.U. acknowledges the support of the National Science Council of Taiwan.  ... 
doi:10.1039/c3cs35389c pmid:23471277 fatcat:culgdpx54vefbdhboiza6f5vda
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